<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <!-- 搜索框行 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input v-model="queryInfo.query" clearable @clear="getUserList" placeholder="请输入内容">
            <el-button @click="getUserList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button @click="addDialogVisible = true" type="primary">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)" active-color="#13ce66" inactive-color="#ff4949">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="220px">
          <template slot-scope="scope">
            <el-button @click="showEditDialog(scope.row)" size="mini" type="primary" icon="el-icon-edit"></el-button>
            <el-button @click="removeUserById(scope.row.id)" size="mini" type="danger" icon="el-icon-delete"></el-button>
            <el-tooltip :enterable="false" effect="dark" content="分配角色" placement="top">
              <el-button @click="showSetRoleDialog(scope.row)" size="mini" type="warning" icon="el-icon-setting"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" @close="addDialogClosed" :visible.sync="addDialogVisible" width="50%">
      <!-- 内容主体区 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input type="password" v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" @close="editDialogClosed" :visible.sync="editDialogVisible" width="50%">
      <!-- 内容主体区 -->
      <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input disabled v-model="editForm.username"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" @close="setRoleDialogClosed" :visible.sync="setRoleDialogVisible" width="50%">
      <!-- 内容主体区 -->
      <el-form :model="setRoleForm" ref="setRoleFormRef" label-width="70px">
        <el-form-item label="当前用户">
          <el-input disabled v-model="setRoleForm.username"></el-input>
        </el-form-item>
        <el-form-item label="当前角色">
          <el-input disabled v-model="setRoleForm.role_name"></el-input>
        </el-form-item>
        <el-form-item label="选择角色">
          <el-select v-model="setRoleForm.newRoleId" placeholder="">
            <el-option v-for="item in roleList" :key="item.id" :label="item.roleName" :value="item.id"> </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setRole">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //   验证邮箱规则
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^[a-zA-Z0-9_-]+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) return callback()
      return callback(new Error('请输入合法的邮箱'))
    }
    //   验证手机号的规则
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) return callback()
      return callback(new Error('请输入合法的手机号'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      roleList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      setRoleDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      editForm: {
        username: '',
        email: '',
        mobile: ''
      },
      setRoleForm: {
        newRoleId: '',
        role_name: '',
        username: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6-15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    handleSizeChange(pagesize) {
      this.queryInfo.pagesize = pagesize
      this.getUserList()
    },
    handleCurrentChange(pagenum) {
      this.queryInfo.pagenum = pagenum
      this.getUserList()
    },
    // 监听switch开关
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status === 200) {
        this.$message.success('更新用户状态成功')
      } else {
        userinfo.mg_state = !userinfo.mg_state
        this.$message.error(res.meta.msg)
      }
    },
    async getRolesList() {
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status === 200) {
        this.roleList = res.data
      } else {
        this.$message.error('获取角色列表失败')
      }
    },
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
    },
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status === 201) {
          this.$message.success('添加用户成功')
          this.addDialogVisible = false
          this.getUserList()
        } else {
          this.$message.error('添加用户失败')
        }
      })
    },
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.put(`users/${this.editForm.id}`, this.editForm)
        if (res.meta.status === 200) {
          this.$message.success('修改用户成功')
          this.editDialogVisible = false
          this.getUserList()
        } else {
          this.$message.error('修改用户失败')
        }
      })
    },

    showEditDialog(userinfo) {
      this.editForm = userinfo
      this.editDialogVisible = true
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    setRoleDialogClosed() {},
    async removeUserById(userId) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch((err) => err)
      if (confirmResult === 'cancel') {
        this.$message.info('已取消删除')
      } else {
        const { data: res } = await this.$http.delete(`users/${userId}`)
        if (res.meta.status === 200) {
          this.$message.success('删除用户成功')
          this.getUserList()
        } else {
          this.$message.error('删除用户失败')
        }
      }
    },
    showSetRoleDialog(userinfo) {
      this.setRoleForm = userinfo
      this.getRolesList()
      this.setRoleDialogVisible = true
    },
    async setRole() {
      const { data: res } = await this.$http.put(`users/${this.setRoleForm.id}/role`, { rid: this.setRoleForm.newRoleId })
      if (res.meta.status === 200) {
        this.setRoleDialogVisible = false
        this.$message.success('设置角色成功')
        this.getUserList()
      } else {
        this.$message.error(res.meta.msg)
      }
    }
  }
}
</script>
<style lang="less" scoped>
</style>